Hi Max,
If you Google Josh Gambrell (+hops), you’ll find a lot of free content, for instance: https://www.youtube.com/watch?v=N6mfFv_7jYo
He is one of the Blender Bros, btw. and also has some free Boxcutter tutorials.
And on blenderbros.com’s homepage, you’ll find a free hardsurface E-book.